Stepping inside Bo Fentum's townhouse in Kingston-Upon-Thames, you'd be forgiven for thinking you were in 70s Palm Springs. It's an Insta-worthy feast for the eyes - all pastel tones and leafy plants. But three years ago, she put this place on the market. Why? Her family had outgrown the space. In the end, they extended out rather than selling up. Bo tells us how this transformation gave her house a new lease of life.